home *** CD-ROM | disk | FTP | other *** search
- SECTION 07712
-
- MANUFACTURED COPPER ROOF SPECIALTIES
- NOTE ** This section includes premanufactured copper
- roofing accessories such as curbset wall flashing,
- expansion joints, gutters, and downspouts.
- NOTE **
- NOTE ** Information in this section is provided by the
- Copper Development Association (CDA), the central
- authoritative source of technical data on the
- design specification and installation of
- architectural copper products. With capabilities
- for providing seminars, technical publications,
- design assistance and review, CDA can be an
- invaluable resource to the architect specifying any
- architectural copper products or applications.
- NOTE **
- NOTE ** For additional information about copper roofing
- specialties, contact CDA at:
- NOTE ** 260 Madison Avenue
- NOTE ** New York, New York 10016
- NOTE ** Telephone: 212-251-7200; FAX: 212-251-7234.
- NOTE **
- NOTE ** SECTION 07712 - MANUFACTURED COPPER ROOF
- SPECIALTIES, Copyright 1996, The Architect's
- Catalog, Inc.
-
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items listed below that are not applicable
- to the project. Add other items or edit
- descriptions as necessary.
-
- A. Factory manufactured curbset wall flashing and expansion
- joints.
-
- B. Factory manufactured gutters and downspouts (rain
- drainage).
-
- C. Factory manufactured miscellaneous sheet copper trim and
- accessories.
-
- 1.2 RELATED SECTIONS
- NOTE ** Edit list below as necessary to conform to project
- requirements.
-
- A. Section 04810 - Unit Masonry Assemblies: Integral
- masonry flashings.
-
- B. Section 06100 - Rough Carpentry: Treated wood sills for
- fastening copper roof accessories.
-
- C. Section _____ - ___________________: Roofing flashing
- and trim installed integral with roofing membrane.
-
- D. Section 07612 - Sheet Copper Roofing.
-
- E. Section 07622 - Copper Flashing and Trim: Shop and field
- formed copper roofing accessories and trim.
-
- F. Section 07900 - Joint Sealers.
-
- G. Section _____ - ___________________: Mechanical
- equipment installed integral with premanufactured copper
- roofing accessories.
-
- 1.3 REFERENCES
-
- A. ASTM B 32 - Standard Specification for Solder Metal.
-
- B. ASTM B 101 - Standard Specification for Lead-Coated
- Copper Sheet and Strip for Building Construction.
-
- C. ASTM B 370 - Standard Specification for Copper Sheet and
- Strip for Building Construction.
-
- D. ASTM D 2822 - Standard Specification for Asphalt Roof
- Cement.
-
- E. CDA 4115-1929 - Copper in Architecture - Handbook; Copper
- Development Association (CDA).
-
- 1.4 SUBMITTALS
-
- A. Submit in accordance with Section 01300.
-
- B. Product Data: Manufacturer's technical product data,
- installation instructions and general recommendations for
- each specified sheet material and fabricated product.
-
- C. Samples: 6 or 12-inch-square samples of specified sheet
- materials to be exposed as finished surfaces.
- NOTE ** Delete paragraphs above and below if no appearance
- control is required.
-
- D. Samples: 6 or 12-inch-long samples of factory-fabricated
- products exposed as finished work. Provide complete with
- specified factory finish.
- NOTE ** Delete paragraph below unless work is especially
- complicated and demanding. If paragraph is
- retained, edit to add or delete items as
- appropriate to project.
-
- E. Shop Drawings: Show layout, profiles, methods of
- joining, and anchorage details, including major trim,
- gutters, downspouts, and expansion joint systems.
- 1. Provide layouts at 1/4 inch scale and details at 3
- inch scale.
-
- 1.5 QUALITY ASSURANCE
-
- A. Installer: A firm with 3 years of successful experience
- with installation of copper roofing accessories similar
- in type and scope to project requirements.
-
- B. Coordinate work of this section with interfacing and
- adjoining work for proper sequencing of each
- installation. Ensure best possible weather resistance
- and durability of work and protection of materials and
- finishes.
- NOTE ** Possibly insert here special project warranty
- requirements for extensive or elaborate
- installations.
-
-
- PART 2 PRODUCTS
-
- 2.1 MATERIALS
-
- A. Copper: ASTM B 370; temper H00 (cold-rolled) except
- where temper 060 is required for forming; 16 oz. (0.0216-
- inch thick) except as otherwise indicated.
- NOTE ** Delete subparagraph below if lead protection of
- copper sheet is not required for project.
- 1. Provide lead coating per ASTM B 101 on exposed copper
- surfaces.
- NOTE ** Edit materials list below to conform to project
- requirements. Add other materials as required.
-
- B. Insulation: Manufacturer's standard rigid or semi-rigid
- board of glass fiber of thicknesses indicated.
-
- C. Wood Nailers: Pressure treated softwood lumber as
- specified in Section 06100.
-
- D. Solder: Provide 50 - 50 tin/lead solder (ASTM B 32),
- with rosin flux.
-
- E. Fasteners: Same metal as flashing/sheet metal or other
- non-corrosive metal as recommended by sheet manufacturer.
- Match finish of exposed heads with material being
- fastened.
-
- F. Bituminous Coating: SSPC - Paint 12, solvent-type
- bituminous mastic, nominally free of sulfur, compounded
- for 15-mil dry film thickness per coat.
-
- G. Mastic Sealant: Polyisobutylene; nonhardening,
- nonskinning, non-drying, nonmigrating sealant.
- NOTE ** Possibly insert in paragraph below specific product
- type or brand name.
-
- H. Elastomeric Sealant: Generic type recommended by
- manufacturer of copper and fabricator of components being
- sealed and complying with requirements for joint sealants
- as specified in Section 07900 - Joint Sealers.
-
- I. Epoxy Seam Sealer: 2-part noncorrosive metal seam
- cementing compound, recommended by copper manufacturer
- for nonmoving joints including riveted joints.
-
- J. Sheet Copper Accessories: Sheet copper clips, straps,
- anchoring devices, and similar accessory units as
- required for installation of work, matching or compatible
- with material being installed, noncorrosive, size and
- gauge as required for proper performance.
-
- K. Gutter and Conductor-Head Guards: 20-gauge bronze mesh
- or fabricated units, with selvaged edges and noncorrosive
- fasteners. Select materials for compatibility with
- gutters and downspouts.
-
- L. Roofing Cement: ASTM D 2822, asphaltic.
-
- 2.2 FABRICATED UNITS
-
- A. Metal Fabrication: Provide materials of standard factory
- fabrication to greatest extent possible. Comply with
- details shown and with applicable requirements of CDA
- "Copper in Architecture Handbook" and other recognized
- industry practices. Fabricate for waterproof and weather-
- resistant performance, with expansion provisions for
- running work, sufficient to permanently prevent leakage,
- damage, or deterioration of the work. Form work to fit
- substrates. Comply with material manufacturer
- instructions and recommendations for forming material.
- Form exposed sheet copper work without excessive oil-
- canning, buckling, and tool marks, true to line and
- levels indicated, with exposed edges folded back to form
- hems.
-
- B. Seams: Fabricate nonmoving seams in sheet copper with
- flat-lock seams. Tin edges to be seamed, form seams, and
- solder. Rivet joints for additional strength where
- required.
-
- C. Expansion Provisions: Where lapped or bayonet-type
- expansion provisions in work cannot be used or would not
- be sufficiently water/weatherproof, form expansion joints
- of intermeshing hooked flanges, not less than 1 inch
- deep, filled with mastic sealant (concealed within
- joints).
-
- D. Sealant Joints: Where movable, nonexpansion type joints
- are indicated or required for proper performance of work,
- form copper to provide for proper installation of
- elastomeric sealant, in compliance with CDA standard
- details.
- NOTE ** Insert specific listing below of separations known
- to be required for work as detailed.
-
- E. Separations: Provide for separation of metal from
- noncompatible metal or corrosive substrates by coating
- concealed surfaces at locations of contact with
- bituminous coating or other permanent separation as
- recommended by manufacturer/fabricator.
-
- 2.3 ELASTIC EXPANSION JOINTS
-
- A. General: Provide factory-fabricated units of size and
- profile indicated, complete with prefabricated corner
- units, intersection units and splicing materials.
- Provide complete with elastic sheet flashing forming the
- primary joint membrane in a supported "bellows"
- arrangement designed for securement to both sides of
- expansion joints. Underside of bellows insulated with
- adhesive applied, flexible, closed-cell rubber or plastic
- not less than 3/8-inch thick.
-
- B. Type: Plain sheet or encapsulated copper flanged edges,
- for embedment in other construction or nailing to
- substrates, 4 inches minimum flange width.
- NOTE ** Normally delete paragraph above or below.
-
- C. Type: Copper flanged edges, 3 to 4 inches wide, formed
- to profiles as indicated to fit curbs and designed for
- nailing to curb substrate. Provide 16 oz. copper
- flanges.
-
- D. Looped Bellows Width: 5 to 6 inches, exclusive of
- flanges.
- NOTE ** Delete paragraph below for generic specification.
- If paragraph is retained, edit following list of
- products as required.
-
- E. Manufacturers: Provide products that comply with project
- requirements and are made by one of the following:
- 1. Afco Products, Inc.
- 2. Celotex Corporation
- 3. International Permalite/Roofing Components Group.
- 4. Manville/Roofing Systems Division.
- 5. Phoenix Building Products, Inc.
- 6. York Manufacturing, Inc.
-
-
- PART 3 EXECUTION
-
- 3.1 INSTALLATION
-
- A. General: Except as otherwise indicated, comply with
- manufacturer's installation instructions and
- recommendations and with CDA "Copper in Architecture
- Handbook."
- 1. Anchor units of work securely in place by methods
- indicated, providing for thermal expansion of copper
- units; conceal fasteners where possible, and set
- units true to line and level as indicated.
- 2. Install work with laps, joints and seams that will be
- permanently watertight and weatherproof.
-
- B. Underlayment: Where units are to be installed directly
- on cementitious or wood substrates, install a slip sheet
- of red rosin paper on a course of asphalt saturated felt.
-
- C. Bed flanges of work in a thick coat of bituminous roofing
- cement where required for waterproof performance.
-
- D. Nail flanges of expansion joint units to curb nailers, at
- maximum spacing of 6" o.c. Fabricate seams at joints
- between units with minimum 3" overlap, to form a
- continuous, waterproof system.
- NOTE ** Delete paragraph above or below.
-
- E. Anchor expansion joint units in manner indicated,
- complying with manufacturer's instructions. Provide not
- less than four-inch embedment or elastic sheets in
- bituminous membranes, with hot bitumen or with roofing
- cement. Cover with composition stripping as specified
- for membrane work.
-
- F. Install continuous gutter guards on gutters, arranged as
- hinged units to swing open for cleaning gutters. Install
- "beehive"-type strainer-guard at conductor heads,
- removable for cleaning downspouts.
- NOTE ** Insert other specific installation requirements for
- other systems and sheet copper accessory items or
- finish systems added to this section.
-
- 3.2 CLEANING AND PROTECTION
-
- A. Clean exposed copper surfaces, removing substances that
- might cause corrosion of copper or deterioration of
- finishes.
-
- B. Protection: Advise Contractor of required procedures for
- surveillance and protection of flashings and sheet copper
- work during construction to ensure that work will be
- without damage or deterioration other than natural
- weathering at time of Substantial Completion.
-
-
- END OF SECTION
-